Date: Thu, 15 Nov 2018 21:08:27 +0100 From: Jan Beich <jbeich@FreeBSD.org> To: freebsd-current@freebsd.org Subject: Re: [regression] drm-stable-kmod doesn't work in i386 jail on amd64 host Message-ID: <lg5u-5cjo-wny@FreeBSD.org> References: <zhvq-800y-wny@FreeBSD.org>
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Jan Beich <jbeich@FreeBSD.org> writes: > I often test Firefox on 10.4 i386 and sometimes play games via Wine. > Both require working OpenGL for COMPAT_FREEBSD32. My GPU is Skylake > which worked fine a few weegs ago i.e., before r338990. > > Any clue? I've opened https://github.com/FreeBSDDesktop/kms-drm/issues/99 but so far no response. Would a sample would help? $ cc -o test test.c $ cc -m32 -o test32 test.c $ pciconf -l | fgrep 0:0:2:0 vgapci1@pci0:0:2:0: class=0x030000 card=0x79681462 chip=0x19128086 rev=0x06 hdr=0x00 $ /poudriere/jails/112i386/usr/sbin/pciconf -l pciconf: ioctl(PCIOCGETCONF): Operation not permitted $ ./test 0 0 2 0 vendor=0x8086, device=0x1912, subvendor=0x1462, subdevice=0x7968, revid=0x6 $ ./test32 0 0 2 0 test32: PCIOCGETCONF failed: Operation not permitted $ sudo ./test32 0 0 2 0 test32: PCIOCGETCONF failed: Operation not permitted $ cat test.c #include <sys/types.h> #include <sys/pciio.h> #include <err.h> #include <fcntl.h> #include <stdio.h> #include <stdlib.h> #include <strings.h> #include <unistd.h> int main(int argc, char **argv) { /* Based on drmParsePciDeviceInfo() from graphics/libdrm/files/patch-xf86drm.c */ struct pci_conf_io pc; struct pci_match_conf patterns[1]; struct pci_conf results[1]; if (argc < 5) { printf("usage: %s <domain> <bus> <dev> <func>\n", argv[0]); return 1; } int fd = open("/dev/pci", O_RDONLY, 0); if (fd < 0) err(1, "open(/dev/pci) failed"); bzero(&patterns, sizeof(patterns)); patterns[0].pc_sel.pc_domain = atoi(argv[1]); patterns[0].pc_sel.pc_bus = atoi(argv[2]); patterns[0].pc_sel.pc_dev = atoi(argv[3]); patterns[0].pc_sel.pc_func = atoi(argv[4]); patterns[0].flags = PCI_GETCONF_MATCH_DOMAIN | PCI_GETCONF_MATCH_BUS | PCI_GETCONF_MATCH_DEV | PCI_GETCONF_MATCH_FUNC; bzero(&pc, sizeof(struct pci_conf_io)); pc.num_patterns = 1; pc.pat_buf_len = sizeof(patterns); pc.patterns = patterns; pc.match_buf_len = sizeof(results); pc.matches = results; if (ioctl(fd, PCIOCGETCONF, &pc) || pc.status == PCI_GETCONF_ERROR) { close(fd); err(1, "PCIOCGETCONF failed"); } close(fd); printf("vendor=%#x, device=%#x, subvendor=%#x, subdevice=%#x, revid=%#x\n", results[0].pc_vendor, results[0].pc_device, results[0].pc_subvendor, results[0].pc_subdevice, results[0].pc_revid); return 0; }
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